| Acronym | Meaning |
| CELSS | Controlled Ecological Life Support System |
| FOC | Faint Object Camera |
| DACS | DATA Acquisition And Control Subsystem |
| UTC | Coordinated Universal Time |
| SBIR | Small Business Innovation Research |
| UV | Ultraviolet |
| HIRS | High Resolution Infrared Radiation Sounder |
| CERES | Clouds And Earth's Radiant Energy System |
| STIS | Space Telescope Imaging Spectrometer |
| VMS | Vertical Motion Simulator |